IPR Details
RSA Security's Statement about IPR claimed in draft-ietf-ipsec-properties-00 and draft-jennings-sip-hashcash-00

The text of the original IPR disclosure is available in the disclosure history.

Submitted: August 30, 2004 under the rules in RFC 3668

Note: Updates to IPR disclosures must only be made by authorized representatives of the original submitters. Updates will automatically be forwarded to the current Patent Holder's Contact and to the Submitter of the original IPR disclosure.

I. Patent Holder/Applicant ("Patent Holder")

Holder legal name RSA Security Inc.

II. Patent Holder's Contact for Licence Application

Holder contact name Linn, John
Holder contact email jlinn@rsasecurity.com
Holder contact info

174 Middlesex Turnpike,
Bedford, MA 01730, USA,

III. IETF Document or Other Contribution to Which this IPR Disclosure Relates

Internet-Draft: draft-jennings-sip-hashcash ("Computational Puzzles for SPAM Reduction in SIP") Internet-Draft: draft-ietf-ipsec-properties ("Security Properties of the IPsec Protocol Suite")

IV. Disclosure of Patent Information i.e., patents or patent applications required to be disclosed by RFC 3668

A. For granted patents or published pending patent applications, please provide the following information:

Patent, Serial, Publication, Registration, or Application/File number(s)

US Serial No. 09/496,824

B. Does this disclosure relate to an unpublished pending patent application?:

Has patent pending Yes

V. Licensing Declaration

The Patent Holder states that its position with respect to licensing any patent claims contained in the patent(s) or patent application(s) disclosed above that would necessarily be infringed by implementation of the technology required by the relevant IETF specification ("Necessary Patent Claims"), for the purpose of implementing such specification, is as follows(select one licensing declaration option only):

Licensing See Text Below for Licensing Declaration
Licensing information, comments, notes, or URL for further information

If use of client puzzles is incorporated into a future Internet standard, and if the currently active application leads to an issued patent, RSA Security Inc. is willing to grant licenses to such patent under reasonable and non-discriminatory terms for purposes of implementing that Internet standard.

Note: The individual submitting this template represents and warrants that he or she is authorized by the Patent Holder to agree to the above-selected licensing declaration.

VI. Contact Information of Submitter of this Form

Submitter name
Submitter email

Only those sections of the relevant entry form where the submitter provided information are displayed.